👉 The onion fluid, also known as mucin or gelatinous fluid, is a viscous substance found within the layers of the onion's epidermis. This fluid acts as a protective barrier, helping to retain moisture and prevent dehydration by forming a gel-like layer that traps water. It also plays a role in wound healing and defense against pathogens by creating a physical barrier that hinders microbial invasion. The fluid's composition includes mucins, which are large glycoproteins that contribute to its gelatinous consistency and protective properties.
